{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "material", "process characterization", "manufacturing standard", "biomedical", "machine or equipment"], "input": "In this study , anisotropic mechanical properties of a low-carbon high-strength steel component fabricated by WAAM were investigated via mechanical testing , and the transversal and longitudinal deformation behavior of the component were studied using the digital image correlation ( DIC ) method ."}
{"concept or principle": ["properties", "deformation", "digital image correlation", "DIC"], "material": ["steel"], "process characterization": ["mechanical testing"], "manufacturing standard": [], "biomedical": [], "machine or equipment": ["component"]}